diff --git a/src/web/arr/trove/chart.arr b/src/web/arr/trove/chart.arr
index 0c910d027..11abad979 100644
--- a/src/web/arr/trove/chart.arr
+++ b/src/web/arr/trove/chart.arr
@@ -843,6 +843,15 @@ default-function-plot-series = {
   legend: '',
 }
 
+type GeoChartSeries = {
+  tab :: TableIntern,
+  region :: String,
+}
+
+default-geochart-series = {
+  region: "world",
+}
+
 ###########
 
 type ChartWindowObject = {
@@ -949,6 +958,15 @@ default-plot-chart-window-object :: PlotChartWindowObject = default-chart-window
   num-samples: 1000,
 }
 
+type GeoChartWindowObject = {
+  title :: String,
+  width :: Number,
+  height :: Number,
+  render :: ( -> IM.Image),
+}
+
+default-geo-chart-window-object :: GeoChartWindowObject = default-chart-window-object
+
 ################################################################################
 # DATA DEFINITIONS
 ################################################################################
@@ -1043,6 +1061,13 @@ data DataSeries:
         max-num-bins: some(num-bins)
       })
     end,
+  | geochart-series(obj :: GeoChartSeries) with:
+    is-single: true,
+    contr: {(): geochart-series},
+    method region(self, region :: String):
+        geochart-series(self.obj.{
+            region: region})
+    end
 sharing:
   method _output(self):
     cases (E.Either) run-task({(): get-vs-from-img("DataSeries", render-chart(self).get-image())}):
@@ -1098,6 +1123,8 @@ data ChartWindow:
       end
       plot-chart-window(self.obj.{num-samples: num-samples})
     end,
+  | geochart-window(obj :: GeoChartWindowObject) with:
+    constr: {(): geochart-window},
 sharing:
   method display(self):
     _ = check-chart-window(self.obj)
@@ -1481,6 +1508,19 @@ fun labeled-histogram-from-list(labels :: P.LoS, values :: P.LoN) -> DataSeries
   } ^ histogram-series
 end
 
+fun geochart-from-list(
+    region-labels :: P.LoS,
+    values :: P.LoN) -> DataSeries block:
+  region-length = region-labels.length()
+  values-length = values.length()
+  when region-length <> values-length:
+    raise("geochart: region-labels and values should have the same length")
+  end
+  default-geochart-series.{
+    tab: to-table2(region-labels, values)
+  } ^ geochart-series
+end
+
 ################################################################################
 # PLOTS
 ################################################################################
@@ -1556,6 +1596,11 @@ fun render-chart(s :: DataSeries) -> ChartWindow:
           P.histogram(self, obj)
         end
       } ^ histogram-chart-window
+    | geochart-series(obj) =>
+      default-geo-chart-window-object.{
+        method render(self):
+        P.geochart(self, obj) end
+      } ^ geochart-window
   end
 where:
   render-now = {(x): render-chart(x).get-image()}
@@ -1952,4 +1997,5 @@ from-list = {
   freq-bar-chart: freq-bar-chart-from-list,
   labeled-box-plot: labeled-box-plot-from-list,
   box-plot: box-plot-from-list,
-}
+  geochart: geochart-from-list,
+}
\ No newline at end of file
diff --git a/src/web/js/trove/chart-lib.js b/src/web/js/trove/chart-lib.js
index 7abc623f8..cb74ec3ae 100644
--- a/src/web/js/trove/chart-lib.js
+++ b/src/web/js/trove/chart-lib.js
@@ -13,7 +13,8 @@
       'multi-bar-chart': "tany",
       'histogram': "tany",
       'box-plot': "tany",
-      'plot': "tany"
+      'plot': "tany",
+      'geochart': "tany"
     }
   },
   theModule: function (RUNTIME, NAMESPACE, uri, IMAGELIB, jsnums , google) {
@@ -63,7 +64,7 @@
     }
   }
   
-  google.charts.load('current', {'packages' : ['corechart']});
+  google.charts.load('current', {'packages' : ['corechart', 'geochart']});
 
   //////////////////////////////////////////////////////////////////////////////
 
@@ -884,6 +885,26 @@
     };
   }
 
+  function geoChart(globalOptions, rawData) {
+      const table = get(rawData, 'tab');
+      const data = new google.visualization.DataTable();
+      const region = get(rawData, 'region');
+      data.addColumn('string', 'Region');
+      data.addColumn('number', "Value");
+      data.addRows(table.map(row => [row[0], toFixnum(row[1])]));
+      console.log("test123");
+      console.log(region);
+      const options = {region: region};
+
+      return {
+          data: data,
+          options: options,
+          chartType: google.visualization.GeoChart,
+          onExit: defaultImageReturn,
+      };
+  }
+
+
   function plot(globalOptions, rawData) {
     const scatters = get(rawData, 'scatters');
     const lines = get(rawData, 'lines');
@@ -1245,6 +1266,7 @@ ${labelRow}`;
       'histogram': makeFunction(histogram),
       'box-plot': makeFunction(boxPlot),
       'plot': makeFunction(plot),
+      'geochart': makeFunction(geoChart),
     }, 
     {
       "LoC": ann("List<Color>", checkListWith(IMAGE.isColorOrColorString)),
diff --git a/src/web/js/trove/cpo-builtins.js b/src/web/js/trove/cpo-builtins.js
index ada82e6b5..dc8a7e600 100644
--- a/src/web/js/trove/cpo-builtins.js
+++ b/src/web/js/trove/cpo-builtins.js
@@ -22,4 +22,4 @@
   theModule: function(runtime, namespace, _ /* intentionally unused */ ) {
     return runtime.makeJSModuleReturn({cpoBuiltins: true});
   }
-}
+}
\ No newline at end of file